Nasa's Unexplained Files

1:00 AM to 2:00 AM

Tuesday 24 December

The Earth Next Door

Season 4 of 8

Astronomers detect a potentially habitable planet that appears to be remarkably close to Earth, and a chance discovery at Nasa unveils a top secret military space program

Nasa's Unexplained Files airs on Discovery Science at 1:00 AM, Tuesday 24 December. (Subtitles.)

Topics

Education ➝ Science ➝ Factual Topics

Unexplained ➝ Mysteries